A certain indicator, HA, has a ?a value of 7.9×10^−7. The protonated form of the indicator is yellow and the ionized form is red. What is the p?a of the indicator? p?a=
A certain indicator, HA, has a ?a value of 7.9×10^−7. The protonated form of the indicator is yellow and the ionized form is red. What is the p?a of the indicator? p?a=
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.112QP
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Question
A certain indicator, HA, has a ?a value of 7.9×10^−7. The protonated form of the indicator is yellow and the ionized form is red.
What is the p?a of the indicator?
p?a=
A generic salt, AB2, has a molar mass of 287g/mol and a solubility of 2.80 g/L at 25 °C.
AB2(s)↽−−⇀A2+(aq)+2B−(aq)
What is the ?sp of this salt at 25 °C?
?sp=
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